CN111968505A - Laminating system and laminating device for curved surface display device - Google Patents

Abstract

The application discloses a laminating system and laminating device for curved surface display device. The laminating device includes: the cover plate bearing table is used for bearing the curved cover plate; the laminating body comprises a first laminating half body and a second laminating half body which are arranged side by side; the elastic buffer cushion at least wraps the first end of the attaching body, the first end is the end of the attaching body close to the cover plate bearing table, and the elastic buffer cushion comprises a first buffer part arranged in the middle area of the elastic buffer cushion and two second buffer parts respectively connected to the two ends of the first buffer part; when the first buffer part is attached to the second buffer part, the first end of the attaching body abuts against the elastic buffer pad, and the first buffer part is overstressed and stretched before the second buffer part. Therefore, the application can reduce the risk of attaching bubbles during attaching the curved surface display device.

Description

Laminating system and laminating device for curved surface display device

Technical Field

The application relates to the technical field of processing equipment of curved surface display devices, in particular to a laminating system and a laminating device for a curved surface display device.

Background

With the development of display technology, people tend to adopt curved-screen mobile phones more and more. The curved display of the curved screen mobile phone can be formed by attaching a flexible screen to a curved CG (Cover Glass) panel by an attaching device in the production process.

When the existing laminating device is used for laminating the flexible screen and the curved surface CG, laminating bubbles are easily formed, so that the problem that the display effect of a laminated curved surface display is reduced is caused.

Disclosure of Invention

The application provides a laminating system and laminating device for curved surface display device to laminate curved surface display device among the solution prior art and add the bubble of appearing laminating easily man-hour, thereby lead to the problem that the production display effect of the curved surface display after the laminating descends.

In order to solve the technical problem, the application adopts a technical scheme that: providing a laminating device, the laminating device comprising: the cover plate bearing table is used for bearing the curved cover plate;

the laminating body comprises a first laminating half body and a second laminating half body which are arranged side by side;

the elastic cushion pad is at least wrapped at the first end of the attaching body, the first end is the end, close to the cover plate bearing table, of the attaching body, and the elastic cushion pad comprises a first buffering part arranged in the middle area of the elastic cushion pad and two second buffering parts respectively connected to the two ends of the first buffering part;

when the first buffer part and the second buffer part are attached, the first end is abutted against the elastic buffer pad, and the first buffer part is overstressed and stretched before the second buffer part.

Optionally, an effective thickness of the first buffer portion is smaller than an effective thickness of the second buffer portion.

Optionally, the second buffer comprises a groove.

Optionally, the second buffer portion comprises a through hole.

Optionally, the first buffer thickness is greater than the second buffer thickness.

Optionally, the first buffer part is at least partially made of a first elastic material, and the second buffer part is made of a second elastic material;

the young's modulus of the first elastic material is less than the young's modulus of the first elastic material.

Optionally, the surface of the elastic buffer pad close to the cover plate bearing table is an attaching surface, and the middle part of the attaching surface faces the cover plate bearing table and protrudes.

Optionally, the attaching surface is a circular arc surface.

Optionally, a cushion block is disposed between the fitting body and the elastic cushion pad at a position corresponding to the first buffer portion.

Optionally, one end of the second buffering portion, which is far away from the first buffering portion, is further connected with a fixing portion, and the fixing portion is fixedly connected with the attaching member. .

In order to solve the technical problem, the application adopts a technical scheme that: providing a bonding system for a curved display device, wherein the bonding system comprises the bonding device, a cover plate bearing table, a first power device and a second power device;

the cover plate bearing table comprises a fitting groove, a first piece to be fitted is arranged in the fitting groove, and an opening of the fitting groove is arranged towards the fitting part;

the side surface of the elastic cushion pad facing the cover plate bearing table is used for arranging a second piece to be attached;

the first power device is connected with the attaching body and used for driving the first attaching half body and the second attaching half body to move towards or away from each other respectively;

the second power device is connected the laminating device with at least one in the two of apron plummer, so that the laminating device with at least one in the two of apron plummer is to the direction motion that is close to the other one, so that first laminating halfbody with the laminating is treated to the butt to the second, through first power device drives first laminating halfbody with the second laminating halfbody is to keeping away from each other's direction motion, in order to realize with first laminating that treats laminating setting.

The beneficial effect of this application is: different from the prior art, the application provides a laminating system and a laminating device for a curved surface display device. The first buffer part positioned in the middle area and the two second buffer parts positioned on the two opposite sides of the first buffer part are arranged on the elastic buffer cushion, and the first buffer part is overstressed and stretched before the second buffer part in the laminating operation, so that the overstressed stretching deformation amount of the part, corresponding to the side end laminating part, of the elastic buffer cushion positioned in the second buffer part can be small, the laminating effect of the side end laminating part can be ensured, and the laminating bubbles can be prevented from being generated in the laminating process.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic view of a curved display device in the prior art during bonding

FIG. 2 is a schematic structural diagram of an embodiment of a bonding apparatus provided in the present application;

fig. 3a and 3b are schematic structural views of sectional views taken along a section in the width direction of the attaching device shown in fig. 2;

fig. 4 is a schematic perspective view of an engaging member of the engaging device shown in fig. 2;

FIG. 5 is a schematic view of an embodiment of a resilient cushion in the laminating device shown in FIG. 3;

FIG. 6 is a schematic view of another embodiment of the resilient cushion in the laminating device shown in FIG. 3;

FIG. 7 is a schematic view of another embodiment of the resilient cushion in the laminating device shown in FIG. 3;

FIG. 8 is a schematic view of another embodiment of the resilient cushion in the laminating device of FIG. 3;

FIG. 9 is a schematic structural diagram illustrating an embodiment of a bonding system according to the present disclosure;

fig. 10 is a schematic structural view of the bonding system shown in fig. 9 for side edge bonding.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a curved display device in the prior art during a bonding process.

The curved display device may include a curved cover plate 110, a bonding adhesive (not shown), and a flexible display substrate 130. The bonding glue is disposed between the curved cover plate 110 and the flexible display substrate 130 to bond and fix the curved cover plate 110 and the flexible display substrate 130. Optionally, the adhesive may be attached to the curved cover plate 110, or may be attached to the flexible display substrate 130. The Adhesive may include OCA (Optical Clear Adhesive).

Wherein, the flow of laminating processing to curved surface display device can include: the flexible display substrate 130 is attached to the curved groove 111 of the curved cover plate 110 by an attaching device through an attaching glue.

For the curved surface display device, in the width direction (which may also include the length direction) of the curved surface cover plate 110, the curved surface cover plate 110 includes a planar portion 113 and two curved surface portions 112 connected to two opposite sides of the planar portion 113, and when the flexible display substrate 130 is attached to the curved surface portion 112 on the curved surface cover plate 110 by using the existing attaching device, attachment bubbles are easily generated, thereby causing a problem that the display effect of the attached curved surface display 10 is reduced; and may even result in rejection of the entire curved display device.

In order to solve the technical problem, the application provides a laminating device. Referring to fig. 2 to 5, fig. 2 is a schematic structural diagram of an embodiment of a bonding apparatus provided in the present application; fig. 3a and 3b are schematic structural views of sectional views taken along a section in the width direction of the attaching device shown in fig. 2; fig. 4 is a schematic perspective view of the attachment member in the attaching device shown in fig. 2.

The attaching device 20 includes an attaching body 210, an elastic cushion pad 220, and a cover plate holder 310.

The cover plate bearing table 310 is used for bearing a curved cover plate; the attachment body 210 may include a first attachment half body 211 and a second attachment half body 212 arranged side by side, the elastic buffer pad 220 is at least covered at the first end 2101 of the attachment body 210, the first end 2101 is an end of the attachment body 210 close to the cover plate carrier 310, the elastic buffer pad 220 includes a first buffer portion 221 arranged in a middle region thereof and two second buffer portions 222 respectively connected to two ends of the first buffer portion 221; when the flexible display substrate 130 is attached to the curved cover plate 110, the first end 2101 abuts against the elastic cushion pad 220, and the first buffer portion 221 is overstocked and stretched before the second buffer portion 222, so that the second buffer portion is less deformed during overstocked and stretched, and therefore, when the flexible display substrate 130 is attached to the curved surface portion 112 of the curved cover plate 110, it can be ensured that the elastic cushion pad is sufficiently filled between the curved cover plate 110 and the attachment body 210, so that the flexible display substrate 130 is attached to the curved cover plate 110, and attachment bubbles are prevented from being generated during attachment.

In this embodiment, the fitting body 210 includes a first fitting half 211 and a second fitting half 212 arranged side by side, the first end 2101 may be formed by the first fitting half 211 and the second fitting half 212 together near one end of the cover carrier 310, when no other auxiliary structure is provided between the attachment body 210 and the elastic buffer pad 220 during the attachment operation, the elastic buffer pad 220 can be directly covered on the surfaces of the first attachment half body 211 and the second attachment half body 212 close to the cover plate carrier 310, when other auxiliary structures are disposed between the engaging body 210 and the elastic buffer pad 220, the auxiliary structures are disposed on at least a portion of the surface of the first end of the engaging body 210, in the area where the attachment body 210 is covered by other auxiliary structures, the elastic buffer pad 220 is in surface contact with the auxiliary structures, and the elastic buffer pad 220 still covers the first end of the attachment body 210. During the bonding operation, the first end 2101 of the bonded body 210 abuts against the elastic buffer pad 220, so that the flexible display substrate 130 can be pressed against the curved cover 110 during the bonding operation.

Alternatively, when the attaching operation is not performed, the first attaching half body 211 and the second attaching half body 212 may be attached to each other and arranged side by side, and the first attaching half body 211 and the second attaching half body 212 may be arranged in mirror symmetry with the attaching surfaces of the first attaching half body and the second attaching half body as a symmetry center.

Both the first and second attachment halves 211, 212 include a boss 202 at an end remote from each other. The elastic buffer pad 220 is wrapped on the first end 2101 of the attachment body, and the elastic buffer pad 220 is wrapped on the bosses 202 of both the first attachment half 211 and the second attachment half 212. The elastic buffer pad 220 covering the boss 202 can attach the flexible display substrate 130 to the inner side of the curved portion 112 of the curved cover plate 110. The surface of the elastic buffer pad 220 attached to the boss 202 opposite to the boss 202 may be a side end attachment surface, and the side end attachment surface may attach the corresponding flexible display substrate 130 to the inner side of the curved surface portion 112 of the curved cover plate 110.

In this embodiment, the first half attaching body 211 and the second half attaching body 212 each include a boss 202 thereon, and the bosses 202 on the first half attaching body 211 and the second half attaching body 212 both extend in directions away from each other, so that the first half attaching body 211 and the second half attaching body 212 move in directions away from each other during attaching operation, thereby attaching the flexible display substrate 130 and the curved surface cover plate 110 from the planar portion 113 to the curved surface portion 112, and the two bosses 202 can drive the elastic cushion 220 to respectively attach the flexible display substrate 130 to the positions of the two curved surface portions 112 on the opposite sides of the curved surface cover plate 110.

In this embodiment, the attachment body 210 and the elastic buffer pad 220 form an attachment portion 230 of the attachment device, the attachment portion includes a main attachment portion 231 and a side end attachment portion 232, the two side end attachment portions 232 are respectively disposed at two opposite ends of the main attachment portion 231, the main attachment portion 231 can be used for attaching the flexible display substrate 130 to the planar portion 113 of the curved cover plate 110, of course, there is no obvious boundary between the main attachment portion 231 and the side end attachment portion 232, the main attachment portion 231 also participates in the process of attaching the flexible display substrate 130 to the inner side of the curved portion 112 of the curved cover plate 110, and correspondingly, the side end attachment portion 232 participates in attaching the planar portion 113 of the flexible display substrate 130 to the curved cover plate 110.

Specifically, the attaching device 20 can gradually move toward the direction close to the curved groove 111 of the curved cover plate 110, so that the attaching portion 230 gradually enters the curved groove 111, and further the flexible display substrate 130 supported on the main attaching portion 231 of the attaching portion 230 is connected to the planar portion 113 of the curved cover plate 110 through the attaching glue, at this time, the two corresponding side end attaching portions 232 of the first attaching half body 211 and the second attaching half body 212 can respectively face the two curved surface portions 112 on the two sides of the cover plate 110; then, by driving the first half attaching body 211 and the second half attaching body 212 to move in a direction away from each other, the elastic buffer pad 220 can be pressed and attached to the flexible display substrate 130 along with the movement of the first half attaching body 211 and the second half attaching body 212, so that the flexible display substrate 130 supported by the main attaching portion 231 can be attached to the planar portion 113 of the curved cover plate 110.

As the first half attaching body 211 and the second half attaching body 212 further move away from each other, the first half attaching body 211 and the second half attaching body 212 can respectively move to the positions of the two curved surface portions 112 of the adjacent curved cover plate 110, so that the flexible display substrate 130 corresponding to the positions of the two side end attaching portions 232 can be attached to the curved surface portions 112 of the curved cover plate 110; after the flexible display substrate 130 is attached to the curved surface portion 112 of the curved cover plate 110, the first attaching half body 211 and the second attaching half body 212 may move toward each other, so that the size of the attaching portion 230 formed by the first attaching half body 211 and the second attaching half body 212 is finally smaller than the opening of the curved groove 111 of the curved cover plate 110, and the attaching portion 230 may exit from the curved groove 111, thereby completing the attaching operation.

In this embodiment, the elastic buffer pad 220 includes a first buffer portion 221 disposed at a middle region thereof and two second buffer portions 222 connected to both ends of the first buffer portion 221, respectively; here, when the bonding is performed (specifically, when both the first bonding half body 211 and the second bonding half body 212 move in a direction away from each other to perform the bonding operation), the first buffer portion 221 is pushed and pulled before the second buffer portion 222.

When the bonding operation is started, the first bonding half body 211 and the second bonding half body 212 may be bonded to each other, and the elastic buffer pad 220 is wrapped outside the bonding body 210, wherein the elastic buffer pad 220 includes a first buffer portion 221 disposed in a middle region thereof and two second buffer portions 222 respectively connected to two ends of the first buffer portion 221, and the first buffer portion 221 may correspond to at least a portion of the middle region of the elastic buffer pad 220 wrapped at the first end of the bonding body 210, and is mainly applied to the flexible display substrate 130 and the planar portion 113 of the curved cover plate 110 to be bonded to each other.

The first buffer portion 221 is stacked and stretched before the second buffer portion 222 specifically means that: when the first half attaching body 211 and the second half attaching body 212 move in a direction away from each other, the elastic buffer pad 220 attached to the attaching body 210 is stretched, wherein a stretching deformation amount of the first buffer portion 221 is greater than a stretching deformation amount of the second buffer portion 222 during the stretching process.

Therefore, by providing the first cushion portion 221 in the middle region of the elastic cushion pad 220 to be overstretched and stretched before the second cushion portion 222 during bonding, it is possible to prevent the bosses 202 of the first bonding half body 211 and the second bonding half body 212 from excessively deforming the portion of the elastic cushion pad 220 corresponding to the elastic cushion pad 220 during bonding, and to prevent the elastic cushion pad 220 from filling the gap between the bonded body 210 and the curved surface portion 112 sufficiently at the later stage of bonding, thereby avoiding the problem of poor bonding effect or generation of bonding bubbles in the flexible display substrate 130 corresponding to the position of the curved surface portion 112.

Alternatively, the size of the first buffer portion 221 (the interval between the two second buffer portions 222 at both ends of the first buffer portion 221) may be set to 10-20 mm, for example, may be set to 10 mm, 15 mm, or 20 mm.

In the present application, the first buffer 221 may be arranged to be stacked and stretched before the second buffer 222 when the lamination is performed.

For example, the effective thickness of the first buffer portion 221 may be set to be smaller than the effective thickness of the second buffer portion 222. Specifically, please refer to fig. 5-7.

As shown in fig. 5, fig. 5 is a schematic structural view of an embodiment of the elastic buffer pad in the laminating device shown in fig. 3 a.

The effective thickness of the first buffer portion 221 may be smaller than that of the second buffer portion 222 by forming a groove. The recess is located on the side of the resilient cushion 220 facing away from the cover carrier 310.

For example, the first buffer portion 221 may be formed by cutting the middle region of the elastic buffer pad 220 such that the effective thickness of the first buffer portion 221 is smaller than that of the second buffer portion 222. Wherein, the cutting process can be performed from the side of the elastic buffer pad 220 away from the attachment surface 201. So that the abutting surface 201 formed by the elastic buffer pad 220 can be ensured to be a smooth connecting surface.

Further, referring to fig. 6, fig. 6 is a schematic structural view of another embodiment of the elastic cushion pad in the laminating device shown in fig. 3 a.

The difference between the present embodiment and the solution of fig. 5 is that in the present embodiment, a plurality of grooves 2211, specifically, V-shaped grooves 2211, are formed at intervals on the side of the first buffer portion 221 away from the bonding surface 201, so that the first buffer portion 221 is stacked and stretched before the second buffer portion 222 during bonding.

The effective thickness of the first buffer portion 221 is the thickness of the material portion of the first buffer portion 221, and the thickness direction refers to the direction in which the bonded body 210 and the elastic cushion pad 220 are stacked during the bonding operation. In the present embodiment, the effective thickness of the first buffer portion 221 can be represented by subtracting the depth of the groove 2211 from the overall thickness of the first buffer portion 221, that is, the effective thickness of the first buffer portion 221 is the thickness corresponding to H1 shown in fig. 6.

The groove 2211 may extend along the length direction of the attaching device 20, and the cross section of the groove 2211 may be V-shaped in the section along the width direction of the attaching device 20. In other embodiments, the cross section of the groove 2211 may also be square, circular arc, rectangular, or trapezoid, and other shapes, which are not further limited herein.

Further, referring to fig. 7, fig. 7 is a schematic structural view of another embodiment of the elastic cushion pad in the laminating device shown in fig. 3 a.

However, the present embodiment is different from the scheme of fig. 6 in that, in the present embodiment, the effective thickness of the first buffer portion 221 may be smaller than that of the second buffer portion 222 by forming the through hole 2212 at the side end of the first buffer portion 221, and further, the first buffer portion 221 is overstressed and stretched before the second buffer portion 222 in the bonding process. The effective thickness of the first buffer portion 221 can be represented by the thickness L of the first buffer portion 221 minus the aperture R of the through hole 2212.

The through hole 2212 may also extend along the length direction of the bonding apparatus 20, and the cross section of the through hole 2212 may be triangular, square, circular arc, oval, rectangular, or trapezoidal in the cross section along the width direction of the bonding apparatus 20. Wherein the through hole 2212 does not intersect with the attachment surface 201.

Similarly, a plurality of through holes 2212 may be formed at the side end of the first buffer 221, and the plurality of through holes 2212 may be arranged in the width direction of the bonding apparatus 20 at regular intervals. In a cross section of the bonding apparatus 20 in the width direction, a central line of the through holes 2212 may be disposed at an equal interval from the bonding surface 201.

In the present embodiment, a row of through holes 2212 may be provided along the thickness direction of the first buffer portion 221; in other embodiments, at least two rows of through holes 2212 may be further disposed along the thickness direction of the first buffering portion 221, which has an advantage that multiple rows of through holes 2212 with small sizes may be disposed, so that the pressing force distribution in the thickness direction of the first buffering portion 221 is more uniform.

It should be noted that, in the present embodiment, the through hole 2212 is opened at the side end of the first buffering portion 221. In another embodiment, the through hole 2212 may be opened in the thickness direction of the first buffer portion 221, and in this embodiment, the first buffer portion 221 may be pushed and pulled before the second buffer portion 222 in the bonding process.

In the embodiment shown in fig. 6 to 8, the first buffer portion 221 may be stacked and stretched before the second buffer portion 222 during the attaching process by ensuring that the effective thickness of the first buffer portion 221 is smaller than that of the second buffer portion 222.

In other embodiments, different materials may be used to form the first buffer portion 221 and the second buffer portion 222, respectively, so that the first buffer portion 221 is stacked and stretched before the second buffer portion 222 during the attaching process.

Specifically, referring to fig. 8, fig. 8 is a schematic structural view of another embodiment of the elastic cushion pad in the laminating device shown in fig. 3 a.

In this embodiment, the second buffer portion 222 of the elastic buffer pad 220 may be made of a second elastic material, and at least a partial region of the first buffer portion 221 may be made of a first elastic material; the young's modulus of the first elastic material is less than the young's modulus of the second elastic material.

Specifically, a containing groove may be formed in a side of the middle region of the elastic buffer pad 220 away from the attachment surface 201, and the first elastic material is disposed in the containing groove, so that the required first buffer portion 221 may be formed. That is, in the present embodiment, the side of the first buffer portion 221 close to the bonding surface 201 is the first elastic portion 2201 made of the second elastic material, and the side of the first buffer portion 221 away from the bonding surface 201 is the second elastic portion 2202 made of the first elastic material, and the finally formed first buffer portion 221 is also conformed to be overstretched and stretched before the second buffer portion 222 during bonding.

Alternatively, in other embodiments, the first buffer portion 221 may be made of only the first elastic material. Wherein the second buffer portion 222 may be connected to a sidewall of the first buffer portion 221, thereby forming the desired elastic buffer pad 220. In some embodiments, the thickness of the first buffer portion 221 is equal to the thickness of the second buffer portion 222, and the thickness refers to a distance between the upper and lower surfaces of the elastic buffer pad 220 in the effective thickness direction without external pressure, as shown by L in fig. 7.

In other embodiments, the thickness of the first buffer portion 221 is greater than that of the second buffer portion 222, when the thickness of the first buffer portion 221 is greater than that of the second buffer portion 222, even if a groove or a through hole is formed in the first buffer portion 221, the first buffer portion 221 can maintain a sufficient thickness and a tensile deformation space to buffer and protect the flexible display substrate 130 during the attaching process, meanwhile, the effective thickness of the first buffer portion 221 can be smaller than that of the second buffer portion 222 due to the groove or the through hole, and the first buffer portion 221 is overstressed and stretched before the second buffer portion 22 to improve the attaching effect.

In one embodiment, to improve the attaching effect, the middle portion of the attaching surface 201 may be protruded toward the cover holder 310, and the surface of the elastic buffer pad 220 close to the cover holder 310 is the attaching surface 201. The middle area of the attaching surface 201 formed by the elastic cushion pad 220 protrudes toward the cover plate holder 310, specifically, the attaching surface may be arc-shaped, so that it can be ensured that in the attaching process of the curved cover plate 110 and the flexible display substrate 130, the flexible display substrate 130 is attached to the curved portion 112 in the order of the planar portion 113, and poor attaching is avoided. Further, the middle of the attachment surface 201 protrudes toward the cover plate holder 310, so that the attachment portion 230 formed by the attachment body 210 and the elastic cushion pad 220 protrudes toward the cover plate holder 310, thereby ensuring the attachment sequence from a plane to a curved surface and avoiding attachment bubbles. The middle of the abutting surface 201 protrudes toward the cover stage 310, and the first buffer portion 221 region of the elastic buffer pad 220 protrudes toward the cover stage 310.

In this embodiment, when the effective thickness of the first buffer portion 221 is smaller than the effective thickness of the second buffer portion 222, the thickness of the first buffer portion 221 is set to be larger than the thickness of the second buffer portion 222, so that the attachment surface 201 formed by the elastic cushion pad 220 protrudes toward the cover plate holder 310, specifically, the attachment surface 201 protrudes toward the direction away from the attachment body 210 corresponding to the area of the first buffer portion 221. In addition, when the second buffering portion 222 of the elastic buffering pad 220 is made of the second elastic material and at least a partial region of the first buffering portion 221 is made of the first elastic material, the thickness of the first buffering portion 221 may be set to be greater than that of the second buffering portion 222, so that the middle region of the attaching surface 201 formed by the elastic buffering pad 220 protrudes toward the cover carrier 310 while the first buffering portion 221 is compressed and stretched before the second buffering portion 222.

In an embodiment, a cushion block 240 is disposed between the fitting body 210 and the elastic cushion 220 at a position corresponding to the first buffer portion 221. The cushion block 240 may be disposed between the attachment body 210 and the elastic cushion pad 220 and corresponding to the first buffering portion 221, and the cushion block 240 may protrude from a middle region of the attachment surface 201 formed by the elastic cushion pad 220 toward the cover plate supporting platform 310, please further refer to fig. 3a, in this embodiment, the cushion block 240 may be disposed between the attachment body 210 and the elastic cushion pad 220, the cushion block 240 is disposed on the attachment body 210 and corresponding to the first buffering portion 221, that is, the main attachment portion 231 may protrude toward the cover plate supporting platform 310, one side of the cushion block 240 close to the elastic cushion pad 220 may be configured to be arc-shaped, and a region of the elastic cushion pad 220 corresponding to the first buffering portion 221 may be configured to be attached to the elastic cushion pad 220. Any one of the elastic cushions 220 shown in fig. 5 to 8 can be attached to the pad 240, and the attaching surface 201 of the elastic cushion 220 on the side away from the attaching body 210 forms an arc surface with a middle protruding toward the direction away from the attaching body 210. By providing the resilient cushion 220, no special design of the shape of the resilient cushion 220 is required.

Among them, the head block 240 may include a first sub head block 241 and a second sub head block 242. The first sub cushion block 241 and the second sub cushion block 242 may form an arc surface toward the side of the elastic cushion pad 220, so that when the region of the elastic cushion pad 220 corresponding to the main attaching portion 231 is attached to the cushion block 240, the region of the attaching surface 201 of the elastic cushion pad 220 corresponding to the main attaching portion 231 may form an arc surface.

Therefore, the attaching surface 201 of the elastic buffer pad 220 is set to be an arc surface, so that the flexible display substrate 130 can be attached to the curved cover plate 110 from the middle to both sides, and the attaching effect can be further ensured.

The arc-shaped surface formed by the region of the abutting surface 201 on the elastic buffer pad 220 corresponding to the main abutting portion 231 may be an arc-shaped surface, and the arc radius of the arc-shaped surface may be set to 600-800 mm, for example, set to 600, 700, or 800 mm, and the like, which is not further limited herein.

In this embodiment, the first sub-cushion block 241 and the second sub-cushion block 242 may be detachably and fixedly mounted on the first half attaching body 211 and the second half attaching body 212, respectively. Therefore, the first sub cushion block 241 and the second sub cushion block 242 having different sizes or shapes may be installed, so that the size and shape of the arc-shaped surface formed in the region of the attaching surface 201 of the elastic buffer pad 220 corresponding to the main attaching portion 231 may be adjusted, and the attaching effect of the main attaching portion 231 may be ensured. In this embodiment, the first sub-block 241 and the second sub-block 242 may be fixedly attached to the first attaching half body 211 and the second attaching half body 212 by bonding or fixing with a fixing member such as a screw assembly.

In other embodiments, the ends of the first half attaching body 211 and the second half attaching body 212 corresponding to the main attaching portion 231 may be provided with a middle protrusion structure, so that the ends of the first half attaching body 211 and the second half attaching body 212 corresponding to the main attaching portion 231 may form an arc surface, and when the elastic buffer pad 220 is attached to the attaching body 210, the area of the elastic buffer pad 220 corresponding to the attaching surface 201 of the main attaching portion 231 may form an arc surface.

Referring to fig. 3a and fig. 3b, in the present embodiment, an end of the second buffering portion 222 away from the first buffering portion 221 is further connected to a fixing portion 223, and the fixing portion 233 is fixedly connected to the attaching body 210, so that the elastic cushion pad 220 is fixedly connected to the attaching body 210.

Specifically, two fixing portions 223 may be respectively connected to two second buffer portions 222 on opposite sides of the first buffer portion 221, and the two fixing portions 223 may be respectively attached to the first attaching half body 211 and the second attaching half body 212, so that the two fixing portions 223 may be respectively fixedly connected to the first attaching half body 211 and the second attaching half body 212. The fixing portion 223 and the first half attaching body 211 or the second half attaching body 212 may be fixed by adhesive, or in other embodiments, the fixing portion 223 and the first half attaching body 211 or the second half attaching body 212 may be fixedly connected by providing a fixing member such as a screw assembly.

Further, the present application also provides a bonding system for a curved display device, please refer to fig. 10 in combination with fig. 2. Fig. 10 is a schematic structural diagram of an embodiment of a bonding system provided in the present application.

The attaching system 30 may include the attaching device 20, the cover plate holder 310, the first power device 320, and the second power device 330 as described above.

The cover plate holder 310 includes a fitting groove 311, the fitting groove 311 may be configured to have a shape matching the first to-be-fitted piece 301, and the fitting groove 311 is used for disposing the first to-be-fitted piece 301. The first to-be-fitted member 301 may be the curved cover plate 110 as described above.

The elastic cushion pad 230 is disposed on a side (i.e., the attachment surface 201) facing the cover stage 310 for supporting the second member to be attached 302 (the second member to be attached 302 may be the flexible display substrate 130 as described above), wherein the attachment surface 201 of the attaching device 20 may be disposed facing the opening of the attaching groove 311.

The first power device 320 may be connected to the attaching body 210, so as to drive the first attaching half body 211 and the second attaching half body 212 to move toward or away from each other, respectively; the second power device 330 may be connected to the attaching device 20, so as to drive the attaching portion 230 of the attaching body 210 to move toward or away from the attaching slot 311.

When the attaching system 30 is used for performing attaching operation, the second power device 330 may drive the attaching portion 230 on the attaching body 210 to move toward the attaching groove 311, so that the second to-be-attached piece 302 supported on the attaching surface 201 may gradually move toward the attaching groove 311; when the second member to be bonded 302 abuts against the first member to be bonded 301 in the bonding groove 311 through the bonding glue, the first power device 320 can drive the first bonding half body 211 and the second bonding half body 212 to move in a direction away from each other, that is, the side end bonding portions 232 of the first bonding half body 211 and the second bonding half body 212 can move in a direction close to the curved surface portion of the first member to be bonded 301. Therefore, the second member to be attached 302 can be attached to the first member to be attached 301.

After the second piece to be attached 302 is attached to the first piece to be attached 301, the first power device 320 can drive the first attaching half body 211 and the second attaching half body 212 to move towards the direction close to each other, so that the size of the attaching portion 230 formed by the first attaching half body 211 and the second attaching half body 212 is smaller than the size of the opening of the attaching groove 31, and then the second power device 330 drives the attaching body 210 to move towards the direction far away from the attaching groove 311, so that the attaching portion 230 can be separated from the second piece to be attached 302, and the attaching operation is completed.

In this embodiment, the second power device 330 may be connected to the attaching device 20, so as to control the attaching portion 230 to move toward or away from the attaching groove 311.

In other embodiments, the second power device 330 may be further connected to the cover carrier 310, so that the engaging slot 311 of the cover carrier 310 moves toward or away from the engaging portion 230. Or in other embodiments, the number of the second power devices 330 may be at least two, and the attaching device 20 and the cover carrier 310 are respectively connected by two second power devices 330, so that the attaching portion 230 and the attaching slot 311 are respectively moved toward or away from each other.

To sum up, the application provides a laminating system and laminating device for curved surface display device. The first buffer part positioned in the middle area and the two second buffer parts positioned on two opposite sides of the first buffer part are arranged on the elastic buffer cushion, and the first buffer part is overstressed and stretched before the second buffer part during the attaching operation, so that the overstressed stretching deformation amount of the part, corresponding to the side end attaching part, of the elastic buffer cushion positioned in the second buffer part is small, the attaching effect of the side end attaching part can be ensured, and attaching bubbles can be prevented from being generated during attaching; simultaneously, the binding face through with elastic buffer pad sets up to the arcwall face to can make the second treat that binding member can be through from the middle mode of laminating to both sides and the first binding member of treating laminating mutually, thereby can further ensure the laminating effect. The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A laminating device, comprising:

the cover plate bearing table is used for bearing the curved cover plate;

the laminating body comprises a first laminating half body and a second laminating half body which are arranged side by side;

the elastic cushion pad is at least wrapped at the first end of the attaching body, the first end is the end, close to the cover plate bearing table, of the attaching body, and the elastic cushion pad comprises a first buffering part arranged in the middle area of the elastic cushion pad and two second buffering parts respectively connected to the two ends of the first buffering part;

when the first buffer part and the second buffer part are attached, the first end is abutted against the elastic buffer pad, and the first buffer part is overstressed and stretched before the second buffer part.

2. The laminating device of claim 1, wherein an effective thickness of the first cushioning portion is less than an effective thickness of the second cushioning portion.

3. The laminating device of claim 2, wherein the first buffer portion comprises a groove or a through hole.

4. The laminating device of claim 2, wherein the first cushioning portion thickness is greater than the second cushioning portion thickness.

5. The laminating device of claim 1, wherein the first cushioning portion is at least partially formed from a first resilient material, and the second cushioning portion is formed from a second resilient material;

the young's modulus of the first elastic material is less than the young's modulus of the first elastic material.

6. The attaching device of claim 1, wherein the surface of the elastic buffer pad close to the cover plate carrier is an attaching surface, and a middle portion of the attaching surface protrudes toward the cover plate carrier.

7. The laminating device of claim 6,

the joint surface is in a circular arc surface.

8. The laminating device of claim 1,

the laminating body with the position that corresponds between the elastic buffer pad the first buffer part is provided with the cushion.

9. The laminating device of claim 1,

one end of the second buffering part, which is far away from the first buffering part, is further connected with a fixing part, and the fixing part is fixedly connected with the attaching body.

10. A laminating system for a curved display device, the laminating system comprising the laminating device of any one of claims 1-9, a first motive device, and a second motive device;

the cover plate bearing table comprises a fitting groove, a first piece to be fitted is arranged in the fitting groove, and an opening of the fitting groove is arranged towards the fitting part;

the side surface of the elastic cushion pad facing the cover plate bearing table is used for arranging a second piece to be attached;

the first power device is connected with the attaching body and used for driving the first attaching half body and the second attaching half body to move towards or away from each other respectively;

the second power device is connected the laminating device with at least one in the two of apron plummer, so that the laminating device with at least one in the two of apron plummer is to the direction motion that is close to the other one, so that first laminating halfbody with the laminating is treated to the butt to the second, through first power device drives first laminating halfbody with the second laminating halfbody is to keeping away from each other's direction motion, in order to realize with first laminating that treats laminating setting.

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